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枚举r以后,每次算出a[i]-r*b[i]的前k个.再算出新的r,就是用r跌代

Posted by daringQQ at 2007-02-02 23:14:57 on Problem 3111
In Reply To:我不是大牛, 怎么个迭代法. Posted by:ACM06019 at 2007-02-02 23:04:47


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